diff --git a/Project.toml b/Project.toml
index d597bb3..19d03a8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -14,6 +14,7 @@ SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
+DSP = "0.7"
 julia = "1"
 
 [extras]